DE1650612B2 - Pressure control valve - Google Patents

Pressure control valve

Info

Publication number
DE1650612B2
DE1650612B2 DE1650612A DE1650612A DE1650612B2 DE 1650612 B2 DE1650612 B2 DE 1650612B2 DE 1650612 A DE1650612 A DE 1650612A DE 1650612 A DE1650612 A DE 1650612A DE 1650612 B2 DE1650612 B2 DE 1650612B2
Authority
DE
Germany
Prior art keywords
piston
pressure
valve
channel
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
DE1650612A
Other languages
German (de)
Other versions
DE1650612A1 (en
Inventor
Winfried 7960 Aulendorf Felder
Konrad 7980 Ravensburg Sterk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of DE1650612A1 publication Critical patent/DE1650612A1/en
Publication of DE1650612B2 publication Critical patent/DE1650612B2/en
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
    • B60T13/16—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using pumps directly, i.e. without interposition of accumulators or reservoirs
    • B60T13/18—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using pumps directly, i.e. without interposition of accumulators or reservoirs with control of pump output delivery, e.g. by distributor valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/12—Details not specific to one of the before-mentioned types
    • F16D25/14—Fluid pressure control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/04—Smoothing ratio shift
    • F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
    • F16H61/061—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/04—Smoothing ratio shift
    • F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
    • F16H61/065—Smoothing ratio shift by controlling rate of change of fluid pressure using fluid control means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/04—Smoothing ratio shift
    • F16H61/08—Timing control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/10—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
    • G05D16/103—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger the sensing element placed between the inlet and outlet
    • G05D16/106—Sleeve-like sensing elements; Sensing elements surrounded by the flow path
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0209—Control by fluid pressure characterised by fluid valves having control pistons, e.g. spools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0221—Valves for clutch control systems; Details thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Safety Valves (AREA)

Description

2. Drucksteuerventil nach Anspruch 1, dadurch dem Druck in der Atmosphäre geregelt werden kann, gekennzeichnet, daß zwischen dem Beaufschla- beispielsweise in den Antriebsanlagen von Luftfahrgungsraum (S) des Kolbens (2) und dem Kanal zeugen.2. Pressure control valve according to claim 1, characterized in that the pressure in the atmosphere can be regulated, characterized that between the Beaufschla- for example in the drive systems of Luftfahrgungsraum (S) of the piston (2) and the channel.

(8) für den Ausgangsdruck ein Verbindungskanal 35 Diese bekannten Druckregelvorrichtungen dienen(8) A connecting channel 35 for the outlet pressure. These known pressure regulating devices are used

(10) mit einer Drossel (10.1) angeordnet ist. im allgemeinen zur Erzielung einer vorbestimmten(10) is arranged with a throttle (10.1). generally to achieve a predetermined

3. Drucksteuerventil nach den Ansprüchen 1 Druckhöhe mit verhältnismäßig geringer Differenz und 2, dadurch gekennzeichnet, daß der Kolben- zwischen Höchst- und Niedrigstwert ohne Rücksicht schieber (1) einen Anschlag (15) aufweist, um auf das Verhalten der Vorrichtung bis zum Erreichen durch den druckbeaufschlagten, in Anschlag 40 des gewünschten Endwertes. Teilweise arbeiten diese gehenden Kolben (2) den Kolbenschieber (1) zum Vorrichtungen nach dem sogenannten »By-pass«- öffnen des Druckmittelzuführkanals (7) zu ver- Verfahren, bei dem das zuviel geförderte Druckmittel stellen. abgezweigt und dem Vorratsbehälter wieder zugeführt wird. Diese Rückführung überschüssigen Druck-3. Pressure control valve according to claims 1 pressure level with a relatively small difference and 2, characterized in that the piston between maximum and minimum value regardless of slide (1) has a stop (15) in order to act on the behavior of the device until it is reached by the pressurized, in stop 40 of the desired final value. Partly these work moving piston (2) the piston slide (1) to the device after the so-called »by-pass« - open the pressure medium supply channel (7) to process in which the excess pressure medium delivered place. is branched off and fed back to the storage container. This return of excess pressure

45 mittels stellt jedoch einen Leistungsverlust dar.45 means, however, represents a loss of performance.

Die Aufgabe der Erfindung besteht darin, ein Drucksteuerventil zu schaffen, das den EingangsdruckThe object of the invention is to create a pressure control valve that controls the inlet pressure

Die Erfindung betrifft ein Drucksteuerventil, ins- aut einen vorbestimmten Ausgangsdruck ohne Verbesondere für hydraulisch betätigte Gangschaltein- lust herabregelt, der dann innerhalb einer vorrichtungen, bestehend aus einem Kolbenschieber mit 50 bestimmten Zeit auf einen vorbestimmten Wert anzwei Bunden zur Steuerung eines Druckmittelzufüh- steigt. Insbesondere zur Beaufschlagung hydraulisch rungskanals und eines Entlüftungskanals, wobei der betätigbarer Kupplungen oder Bremsen, die in unter Kolbenschieber in seiner durch eine Druckfeder be- Last schaltbaren Getrieben als Gangschaltelemente stimmten Ausgangslage mit dem ersten Bund den angeordnet sind, wird ein Druckregelventil gefordert, Druckmittelausführungskanal ganz oder teilweise frei- 55 das ein schnelles Füllen und einen stoßfreien Übergibt und mit dem zweiten Bund den Entlüftungs- gang von einem zum anderen Gang gewährleistet,
kanal abschließt, während der erste Bund des KoI- Diese Aufgabe wird erfindungsgemäß durch die in benschiebers entgegen der Kraft der Druckfeder dem kennzeichnenden Teil des Anspruchs 1 angegedurch einen Umgehungskanal vom Ausgangsdruck benen Merkmale gelöst,
beaufschlagt wird. 60 Durch den von dem Drucksteuerventil bestimmtenThe invention relates to a pressure control valve, in particular regulates a predetermined output pressure without special for hydraulically operated gearshifts, which then rises within a device consisting of a piston valve with a predetermined time to a predetermined value and two collars for controlling a pressure medium supply. In particular for the actuation of the hydraulic supply duct and a ventilation duct, whereby the actuatable clutches or brakes, which are arranged in the gearshift elements as gearshift elements in the gearshift elements under the piston slide in its load shiftable by a compression spring, are arranged with the first collar, a pressure control valve is required, pressure medium discharge duct completely or partially free- 55 that a quick filling and a smooth transfer and with the second collar ensures the ventilation passage from one passage to the other,
channel closes, while the first collar of the KoI- This object is achieved according to the invention by the features in the slide against the force of the compression spring indicated by a bypass channel from the output pressure,
is applied. 60 By the determined by the pressure control valve

Gemäß dem deutschen Gebrauchsmuster 1 855 597 Druckverlauf werden unterschiedlich auftretende Beist ein Schieberventil bekannt, das zwei Steuerbunde lastungen an den Kupplungen eines unter Last schaltaufweist, wobei der Kolbenschieber durch eine Druck- baren Getriebes nahezu ausgeglichen, beispielsweise feder in einer Endstellung gehalten wird, in der die in Fahrzeuggetrieben für Abschaltungen mit und ohne Druckmittelquelle mit dem Verbraucher verbunden 65 Motorbremse, für Ausschaltungen bei Teillast und ist. Weiterhin besitzt dieses Schieberventil einen Vollast sowie bei konstruktiv bedingten und unter-Druckluftanschluß zur Verstellung des Kolben- schiedlichen Belastungen einer Kupplung an zwei Schiebers gegen die Kraft der Druckfeder zwecks verschiedenen Gängen. Ferner ist das Drucksteuer-According to the German utility model 1 855 597 pressure curve, different appearances are used a slide valve known, which has two control bundle loads on the clutches of one under load switching, whereby the piston valve is almost balanced by a pressurized gear, for example spring is held in an end position in which the vehicle transmissions for shutdowns with and without Pressure medium source connected to the consumer 65 engine brake, for switching off at partial load and is. Furthermore, this slide valve has a full load as well as with construction-related and under-compressed air connection for adjusting the piston different loads on a clutch on two slides against the force of the compression spring for the purpose of different gears. Furthermore, the pressure control

als deras the

ventil sowohl für Lastübernahmeschaltungen auchffir Überschneidungsschaltungen geeignet.valve suitable for load takeover circuits as well as for crossover circuits.

Außerdem bietet das Drucksteuerventil folgende Vanaüonsmoglichkeiten:In addition, the pressure control valve offers the following Vanity options:

Durch die Kennlinie der Feder zwischen dem KoI-ben und dem Kolbenschieber sind die Größen für den Eingangs- und den Ausgangsdruck bestimmtDue to the characteristic curve of the spring between the piston and the piston valve, the values for determines the inlet and outlet pressure

Durch die Größe des Drosselquerschnitts und des Kolbendurchmessers ist die Steuerzeit bestimmt.Due to the size of the throttle cross-section and the The valve timing is determined by the piston diameter.

In der Zeichnung sind Ausführungsbeispiele des Erfindungsgegenstandes dargestellt und es zeigtIn the drawing, exemplary embodiments of the subject matter of the invention are shown and it shows

F i g. 1 das Drucksteuerventil m semer Ausgangs-F i g. 1 the pressure control valve with its output

StFigg2 ,as Drucksteuerventil in seiner Endstellung, St Fig g 2, the pressure control valve in its end position,

Fig. 3 das Drucksteuerventil wie in Fig. 1 und2: jedoch mit einem Anschlag, der bei Beendigung des Steuervorganges den Druckmittelzuführkanal öffnet, F i g. 4 ein Drucksteuerventil, dessen Verbindungskan/zur Beaufschlagung des größeren Kolbens mit dem Druckmittelzuführkanal verbunden ist, Γ i g. 5 den D*h«taf. der d„reh di, Dr»ct-Hip
cue3 shows the pressure control valve as in FIGS. 1 and 2 : but with a stop which opens the pressure medium supply channel when the control process is completed, FIG. 4, a pressure control valve whose connection channel / is connected to the pressure medium supply channel to act on the larger piston, Γ i g. 5 the D * h «taf. der d " re h di, D r » c t - hip
cue

nach Größe der Drossel 10.1 und n lfe 2 ^ mehr oder wen iger depending on the size of the throttle 10.1 and n lfe 2 ^ more or less

^^™ wobei der Kolben 2 Im Seuerzert, &pannt SLraumes 3 zum Anschlag rechten ^^*" d Kanal 9 der Kolbenschiekommt, wah end ubanfc« ^ er nach ^^ ™ wherein the piston 2 In the Seuerzert, & panning one SLraumes 3 right to the stop ^^ * "d channel 9 of the piston slide comes, wah end ubanfc« ^ he after

ber 1 nach ^ V«3JFederkraft 6 und BeckSttelkanal 7 öffnetAbout 1 to ^ V «3JFederkraft 6 and BeckSttelkanal 7 opens

augg^^^Dgäanu Π schließt oder schließt bzw. aen nun & augg ^^^ Dgäanu Π closes or closes or aen now &

sinkt der Druck in 9 und 10, so daßthe pressure drops in 9 and 10, so that

lage verstellt wirdden Kanal 12 frei und
lüftungskanal 13. *£
Raum 5.^^
der Kolben 2 durchposition is adjusted the channel 12 is free and
ventilation duct 13. * £
Room 5. ^^
the piston 2 through

J so daß der Feder 6 in seine J so that the spring 6 is in his

des Rc. of the Rc .

TSiSSSt*«* ein KCbenschieber 1 mit dem ersten Bund 1.1 für den Druckmittelzuführkanal 7 und mit dem zweiten Bund 12 für den *5 Entlüftungskanal 11 und der Kolben 2 angeordnet, dessen Durchmesser größer ist als der der beiden Bunde 1.1 und 1.2. Zwischen dem Kolbenschieber 1 und dem Kolben 2 ist eine Druckfeder 6 angeordnet, die die beiden Teile in ihre Ausgangslage drückt, in der der Druckmittelzuführkanal 7 und der zur Kupp-SÄ d„ Fede, 6. De, DrUcUa0S1Ie1 TSiSSSt * «* a KCbenschie over 1 with the first collar 1.1 for the pressure medium supply channel 7 and with the second collar 12 for the * 5 ventilation channel 11 and the piston 2, the diameter of which is larger than that of the two collars 1.1 and 1.2. A compression spring 6 is arranged between the piston slide 1 and the piston 2, which presses the two parts into their starting position, in which the pressure medium supply channel 7 and the one leading to the coupling SÄ d "Fede, 6th De, DrUcUa 0 S 1 Ie 1

geradlinig. K^lh^nschieber 1 einen ver-straight forward. K ^ lh ^ n slide 1 a

In Fig. 3 -^^J™ der Seau langerten Zapfen 15 a^e^ie^t er„ach Anschlagte Kolben 2_nach rechts so^1 ^J8^^ !age am Zapfen^15^
der erste Bund Il ^t
freigibt Dadurch steigt der
artig auf den ^" Μ^ίIn Fig. 3 - ^^ J ™ the Seau elongated pin 15 a ^ e ^ ie ^ t he "ach stopped piston 2_to the right so ^ 1 ^ J 8 ^^! Age on the pin ^ 15 ^
the first covenant Il ^ t
releases This increases the
good on the ^ "Μ ^ ί

ÄeS=^a^^cn benschieber 1 und dem Kolben 2 einen weiteren Entlüftungskan J 13 auf, der in Ausgangslage auch mit dem Kanal 12 räumlich verbunden ist zur schnellen Entlüftung. Zwischen dem Kanal 8 und dem Kolbenraum 5 is? ein Verbindungskanal 10 angeordnet, in dem eine Drossel 10.1 vorgesehen ist. Der Kolbenraum 4 des Kolbenschiebers 1 ist mittels eines Kanals 9 mit dem Kanal 8 verbunden. ÄeS = ^ a ^^ cn benschieber 1 and the piston 2 a further venting channel J 13, which in the starting position is also spatially connected to the channel 12 for rapid venting. Between the channel 8 and the piston chamber 5 is? a connecting channel 10 is arranged in which a throttle 10.1 is provided. The piston chamber 4 of the piston slide 1 is connected to the channel 8 by means of a channel 9.

Wird durch den Kanal 7 der Pumpendruck c zugeführt, so wird zu Beginn sich der Eingangs- oder Fülldruck α nach F i g. 5 einstellen, der der Vorspannung der Feder 6 entspricht. Je nach Größe des zu überragenden Drehmomentes wird die gesamte s. Steuerzeit is oder nur ein Bruchteil derselben für das Erreichen des notwendigen Anlegedruckes benötigt. Der Ausgangsdruck b entspricht der Endspannung 14 ist eine Drossel
Ausführung ist der
vom Eingangsdruck «zum AusgangIf the pump pressure c is supplied through the channel 7, the inlet or filling pressure α is at the beginning according to FIG. 5, which corresponds to the preload of the spring 6. Depending on the size of the torque to be exceeded, the entire s . Control time i s or only a fraction of the same required to achieve the necessary contact pressure. The output pressure b corresponds to the end voltage 14 is a throttle
Execution is the
from the inlet pressure «to the outlet

gleichbleibend sondern er folgt gefahr der m F i g. 5 gestrichelt eingezeichneten Drucfchni tp<2 constant but he follows the risk of m F i g. 5 Drucfchni t drawn in dashed lines p <2

Im Druckmittelzuführkanal 7 herrsch der^ ton stante Drucke. Die Kraft der Feder 6,ist_ anfangs klein und ungefähr gleich demι Eingangsdruck a Infolgedessen ist die spezifische ^1™»^™^ ginn infolge des geringen G
der Druckanstieg ist steiLIn the pressure medium supply channel 7 there is constant pressure. The force of the spring 6 is initially small and approximately equal to the inlet pressure a. As a result, the specific ^ 1 ™ »^ ™ ^ start due to the low G
the pressure rise is steep

ganges wächst jedoch der ^.?" ^fS^ geübte Gegendruck so daß die spez fische Druck zunähme allmählich kleiner vvird d h., der 1Druck anstieg flacht ab. Di^er Zunahme des Regeldruckes entspricht die in Abb. 5 eingezeichnete Kurve P2.ganges, however, the ^.? "^ fS ^ Practiced counter pressure so that the specific pressure would gradually decrease, i.e. the 1pressure would become smaller rise flattens. The increase in the control pressure corresponds to curve P2 drawn in Fig. 5.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (1)

1 2 Entlüftung des Verbraucherkanals und Abschluß der Patentansprüche: Druckmittelquelle. ,,.,.--.,„. Aus der deutschen Auslegeschnft 1 175 514 ist ein1 2 Ventilation of the consumer channel and conclusion of the claims: pressure medium source. ,,., .--., ". From the German Auslegeschnft 1 175 514 is a 1. Drucksteuerventil, insbesondere für hydrau- Druckregler, insbesondere für Druckluftanlagen, belisch betätigte Gangschalteinrichtungen, bestehend 5 kannt, zur Regelung des Druckes innerhalb einer emaus einem Kolbenschieber mit zwei Bunden zui stellbaren Druckdifferenz, wobei eine einen Kolben Steuerung eines Druckmittelzuführungskanals und entgegen der Kraft des Druckmittels beaufschlagende eines Entlüftungskanals, wobei der Kolbenschieber Feder sich gegen ein im Reglergehause axial versteilin seiner durch eine Druckfeder bestimmten Aus- bares Gehäuseoberteil abstützt, in dem axial emstellgangslage mit dem ersten Bund den Druckmittel- io bar ein rohrförmiger Ventilsitz angeordnet ist, deszuführungskanal ganz oder teilweise freigibt und sen untere Stirnfläche mit der Stirnfläche des Kolbens mit dem zweiten Bund den Entlüftungskanal ab- das Entlüftungsventil bildet.1. Pressure control valve, especially for hydraulic pressure regulators, especially for compressed air systems, belisch actuated gear shifting devices, consisting of 5, for regulating the pressure within an emaus a piston valve with two collars adjustable pressure difference, one being a piston Control of a pressure medium supply channel and acting against the force of the pressure medium a ventilation duct, wherein the piston slide spring is axially vertically offset against an in the regulator housing its upper housing part, which is determined by a compression spring, is supported in the axially open position with the first collar the pressure medium io bar a tubular valve seat is arranged, deszuführungskanal completely or partially releases and sen lower end face with the end face of the piston with the second collar, the vent channel forms the vent valve. schließt, während der erste Bund des Kolben- Ferner ist in der österreichischen Patentschrift Schiebers entgegen der Kraft der Druckfeder 204 857 ein Regelventil für Druckluftanlagen bedurch einen Umgehungskanal vom Ausgangs- 15 schrieben und dargestellt, das als Dreiwegeventil mit druck beaufschlagt wird, dadurch gekenn- einem vom Regeldruck gesteuerten federbelasteten zeichnet, daß zur Abstützung der Druck- Kolben und mit einer Entlüftungsöffnung ausgebildet feder (6) ein Kolben (2) angeordnet ist, daß der ist, die koaxial zur Ventilachse in einer Spannschraube Durchmesser des Kolbens größer ist als der vorgesehen und vorzugsweise als auswechselbar einDurchmesser der Bunde (1.1 und 1.2) des Kolben- 20 setzbare Drossel ausgebildet ist.
Schiebers (1), daß der Kolben entgegen der Kraft Aus der deutschen Patentschrift 314 523 ist eine der Druckfeder mit dem Ausgangsdruck beauf- Druckmittelsteuervorrichtung bekannt, die aus einem schlagbar ist, daß zwischen dem Beaufschlagungs- Steuerschieber und einem mit diesem starr verbunraum (S) des Kolbens (2) und dem Kolbenraum dentn Hilfskolben besteht, der in einem von Hand des von der Druckfeder beaufschlagten zweiten 25 verstellbaren Zylinder geführt ist und durch Feder-Bundes (1.2) des Kolbenschiebers (1) ein Kanal ciiuck mid Flüssigkeitsdruck in Gleichgewichtslage (12) angeordnet ist, der in der allein von der gehahcn wird.closes, while the first collar of the piston is furthermore written and shown in the Austrian patent slide against the force of the compression spring 204 857 a control valve for compressed air systems through a bypass channel from the output 15, which is pressurized as a three-way valve controlled by the control pressure spring-loaded, that to support the pressure piston and formed with a ventilation opening spring (6) a piston (2) is arranged that is the one that is coaxial to the valve axis in a clamping screw diameter of the piston is larger than that provided and is preferably designed as an exchangeable diameter of the collars (1.1 and 1.2) of the piston 20 adjustable throttle.
Slide (1) that the piston against the force From the German patent specification 314 523 one of the compression spring with the output pressure is known pressure medium control device, which can be hit from a, that between the application control slide and a rigid connection space (S) with this of the piston (2) and the piston chamber consists of the auxiliary piston, which is guided in a manually adjustable second cylinder, which is acted upon by the compression spring, and through the spring collar (1.2) of the piston valve (1) a channel to ciiuck the fluid pressure in the equilibrium position (12 ) is arranged, which is handled solely by the. Druckfeder bestimmten Ausgangslage des KoI- Schließlich ist durch die deutsche PatentschriftCompression spring certain starting position of the KoI- Finally is through the German patent specification benschiebers mit einem Entlüftungskanal (13) ver- 753 831 zur Regelung des Druckes eines gasförmigenValve valve with a ventilation duct (13) 753 831 to regulate the pressure of a gaseous bunden ist, der mit dem von dem Kolben (2) be- 30 Druckmittels ein Druckregler bekanntgeworden, mitis bound, which has become known to a pressure regulator with the pressure medium loaded by the piston (2) strichenen Raum (3) verbunden ist. dem eine Drucksteueranlage in Abhängigkeit vonmarked space (3) is connected. which a pressure control system depending on
DE1650612A 1967-10-19 1967-10-19 Pressure control valve Ceased DE1650612B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ0013106 1967-10-19

Publications (2)

Publication Number Publication Date
DE1650612A1 DE1650612A1 (en) 1970-11-05
DE1650612B2 true DE1650612B2 (en) 1974-02-28

Family

ID=7623031

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1650612A Ceased DE1650612B2 (en) 1967-10-19 1967-10-19 Pressure control valve

Country Status (5)

Country Link
JP (1) JPS5337575B1 (en)
CS (1) CS167879B2 (en)
DE (1) DE1650612B2 (en)
GB (1) GB1191429A (en)
SE (1) SE354904B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2511986A1 (en) * 1974-05-23 1975-12-04 Pneumo Corp SERVO OPERATING DEVICE
DE3826555A1 (en) * 1988-08-04 1990-03-15 Rexroth Mannesmann Gmbh DEVICE FOR CHANGING THE LOOP CONTROL REINFORCEMENT FOR A HYDRAULIC CONTROL DEVICE
DE3833624A1 (en) * 1988-10-03 1990-04-05 Rexroth Mannesmann Gmbh Valve arrangement for the controlled supply of a working space with hydraulic fluid
DE3833622A1 (en) * 1988-10-03 1990-04-05 Rexroth Mannesmann Gmbh Valve arrangement for the time-controlled, selective supply of control members, such as, for example, couplings of a power shift transmission, with controlled system pressure
DE3833623A1 (en) * 1988-10-03 1990-04-05 Rexroth Mannesmann Gmbh Valve arrangement for the controlled supply of at least one working space with hydraulic fluid
AT391565B (en) * 1985-06-15 1990-10-25 Voith Gmbh J M CONTROL VALVE FOR SETTING A PARTICULAR DEPENDENCY BETWEEN THE PRESSURES OF TWO SEPARATE PRINTING SYSTEMS

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4036342A (en) * 1976-06-28 1977-07-19 Towmotor Corporation Inching valve with means preventing high pressure inching
DE3275653D1 (en) * 1982-06-23 1987-04-16 Deere & Co Hydraulic actuator arrangement
CN103195735B (en) * 2013-04-17 2015-05-20 江苏振华泵业制造有限公司 Internal reflux valve for self-priming pump

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2511986A1 (en) * 1974-05-23 1975-12-04 Pneumo Corp SERVO OPERATING DEVICE
AT391565B (en) * 1985-06-15 1990-10-25 Voith Gmbh J M CONTROL VALVE FOR SETTING A PARTICULAR DEPENDENCY BETWEEN THE PRESSURES OF TWO SEPARATE PRINTING SYSTEMS
DE3826555A1 (en) * 1988-08-04 1990-03-15 Rexroth Mannesmann Gmbh DEVICE FOR CHANGING THE LOOP CONTROL REINFORCEMENT FOR A HYDRAULIC CONTROL DEVICE
DE3833624A1 (en) * 1988-10-03 1990-04-05 Rexroth Mannesmann Gmbh Valve arrangement for the controlled supply of a working space with hydraulic fluid
DE3833622A1 (en) * 1988-10-03 1990-04-05 Rexroth Mannesmann Gmbh Valve arrangement for the time-controlled, selective supply of control members, such as, for example, couplings of a power shift transmission, with controlled system pressure
DE3833623A1 (en) * 1988-10-03 1990-04-05 Rexroth Mannesmann Gmbh Valve arrangement for the controlled supply of at least one working space with hydraulic fluid

Also Published As

Publication number Publication date
SE354904B (en) 1973-03-26
DE1650612A1 (en) 1970-11-05
JPS5337575B1 (en) 1978-10-09
CS167879B2 (en) 1976-05-28
GB1191429A (en) 1970-05-13

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Legal Events

Date Code Title Description
SH Request for examination between 03.10.1968 and 22.04.1971
BHV Refusal